John Thamm

John Thamm was born on October 21, 1937 in Wendell, Idaho, USA as John Forrest Thamm. He is known for his work on Prelude (to Chadora) (2008), Bob Ross: Happy Accidents, Betrayal & Greed (2021) and The Joy of Painting (1983). He is married to Kathy Larsen. They have two children.